Season Regulars 6

1. 

   Melissa Benoist

   Kara Danvers / Supergirl / Kara Zor-El

2. 

   Chyler Leigh

   Alex Danvers / Sentinel

3. 

   David Harewood

   J'onn J'onzz / Martian Manhunter

4. 

   Jeremy Jordan

   Winn Schott

5. 

   Calista Flockhart

   Cat Grant

6. 

   Mehcad Brooks

   James 'Jimmy' Olsen / Guardian

Guest Stars 19

1. 

   Dean Cain

   Jeremiah Danvers

2. 

   Jenna Dewan

   Lucy Lane

3. 

   Italia Ricci

   Siobhan Smythe

4. 

   Eddie McClintock

   Col. James Harper

5. 

   Zayne Emory

   Young Rick Malverne

6. 

   Malina Weissman

   Young Kara Zor-El

7. Vincent Giovanni

   Police Officer

8. Jordana Taylor

   Young Alex Danvers

9. 

   David Hutchison

   DEO Agent #1

10. Jaidan Jiron

    Female Student #2

11. 

    Daniel Joseph

    DEO Agent #2

12. 

    Maisie Klompus

    Cat's Assistant

13. 

    Tara Macken

    Mother

14. 

    Angela Martinez

    Field News Reporter

15. 

    Anthony N.

    Cadmus Passenger

16. 

    Mackenzie Brooke Smith

    Female Student #1

17. Chester E. Tripp III

    Cadmus Driver

18. Jay Jackson

    News Anchor

19. 

    Briana Venskus

    Agent Susan Vasquez

Crew 4